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Gentoo Linux Security Advisory                           GLSA 200605-10
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                                            https://security.gentoo.org/
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  Severity: High
     Title: pdnsd: Denial of Service and potential arbitrary code
            execution
      Date: May 10, 2006
      Bugs: #131341
        ID: 200605-10

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Synopsis
=======
pdnsd is vulnerable to a buffer overflow that may result in arbitrary
code execution.

Background
=========
pdnsd is a proxy DNS server with permanent caching that is designed to
cope with unreachable DNS servers.

Affected packages
================
    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  net-dns/pdnsd       < 1.2.4                              >= 1.2.4

Description
==========
The pdnsd team has discovered an unspecified buffer overflow
vulnerability. The PROTOS DNS Test Suite, by the Oulu University Secure
Programming Group (OUSPG), has also revealed a memory leak error within
the handling of the QTYPE and QCLASS DNS queries, leading to
consumption of large amounts of memory.

Impact
=====
An attacker can craft malicious DNS queries leading to a Denial of
Service, and potentially the execution of arbitrary code.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All pdnsd users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-dns/pdnsd-1.2.4-r1"

References
=========
  [ 1 ] CVE-2006-2076
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2076
  [ 2 ] CVE-2006-2077
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2077

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200605-10

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.

License
======
Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/

Gentoo: GLSA-200605-10: pdnsd: Denial of Service and potential arbitrary code execution

pdnsd is vulnerable to a buffer overflow that may result in arbitrary code execution.

Summary

Gentoo Linux Security Advisory GLSA 200605-10 https://security.gentoo.org/ Severity: High Title: pdnsd: Denial of Service and potential arbitrary code execution Date: May 10, 2006 Bugs: #131341 ID: 200605-10

Synopsis ======= pdnsd is vulnerable to a buffer overflow that may result in arbitrary code execution.
Background ========= pdnsd is a proxy DNS server with permanent caching that is designed to cope with unreachable DNS servers.
Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/pdnsd < 1.2.4 >= 1.2.4
========== The pdnsd team has discovered an unspecified buffer overflow vulnerability. The PROTOS DNS Test Suite, by the Ou...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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